package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

/**
 * 数据库工具类，维护数据库驱动加载，连接的创建
 */
public class DBUtil {
    static {
        try {
            //DBUtil第一次被加载时，加载数据库驱动类
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }

    public static Connection getConnection() throws SQLException {
      return DriverManager.getConnection(
             "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
             "root",
             "root");
    }
}
